短語(yǔ)詞組短語(yǔ)basic pulse recurrence rate [電子]基本脈沖重復(fù)頻率specific pulse recurrence rate 非凡脈沖重復(fù)頻率half pulse recurrence rate delay 半脈沖重復(fù)頻率延時(shí) 返回 pulse recurrence rate